Rain cap for an engine exhaust stack or pipe



FIG. 1 is a perspective view of a rain cap for an engine exhaust stack or pipe of the present design.

FIG. 2 is a front elevational view thereof.

FIG. 3 is a rear elevational view thereof.

FIG. 4 is a side elevational view thereof.

FIG. 5 is a top plan view thereof.

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a rain cap for an engine exhaust stack or pipe, as shown. 